BioStacks
GNC

TriFlex Joint Support Fast-Acting

4 Caplets · 60 servings

iHerbAmazon
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What it does

A combination of 6 label ingredients.

Boswellia Serrata Extract

apresflexPremium

Label lists ApresFlex Boswellia serrata gum extract (100 mg). Benefit information is limited.

Turmeric Extract

curcuminoidsStandard

Label lists Turmeric root extract (105 mg). Benefit information is limited.

Bone & Joint
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Ingredients (6)

IngredientDoseTarget/referenceForm

Nutrition

Calories, macros & sodium.

  • Sodium130 mg

Other ingredients

TalcAnti-caking

IARC classifies cosmetic-grade talc not containing asbestos as Group 2B (possibly carcinogenic to humans); perineal talc use as Group 2A (probably carcinogenic). Johnson & Johnson voluntarily withdrew talc-based baby powder from US/Canada in 2020 and globally in 2022 after extensive litigation tied to ovarian-cancer and mesothelioma cases. The 2018 FDA contamination survey found asbestos in 9 of 52 cosmetic talc products tested. As a supplement excipient talc is a pure manufacturing convenience — no nutritional or functional benefit to the user — so the asbestos-exposure risk has no offsetting upside. Safer alternatives (silicon dioxide, microcrystalline cellulose, rice hulls) are widely available.

Titanium DioxideColorant

Banned in the EU (2022) over concerns that its ultra-fine particles may damage DNA in gut cells. Still allowed in the US. Used only for white coloring — provides no health benefit.

Magnesium StearateLubricant

A salt of stearic acid used as a lubricant in tablet and capsule production

Polyethylene Glycol (Coating)Coating

A polyether polymer used as a tablet coating and plasticizer

Silicon DioxideAnti-caking

Fine silica powder used to prevent clumping

Microcrystalline CelluloseBinder

Plant-derived cellulose used as a binder and filler in supplements

CrospovidoneDisintegrant

Cross-linked synthetic polymer used as a tablet disintegrant to help tablets break apart quickly in the stomach

Riboflavin-5-PhosphateColorant

Active coenzyme form of vitamin B2; used as yellow colorant and for B2 fortification in supplements

Lab testing

How to take it

With a meal containing fat

On the label

As a dietary supplement, take two caplets twice daily, preferably with meals.

Price check

$69.99

$1.17 / serving

$20$50

Pricier than 90% of 34 bone & joint supplements

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Sources & Scoring

Nutrient data (RDA, UL, and safety thresholds) sourced from the NIH Office of Dietary Supplements and the National Academies Dietary Reference Intakes (DRI).

This is not medical advice. Consult a healthcare provider before making changes to your supplement routine.

The score analyzes what's on the label: ingredient doses vs. studied ranges, chemical forms, evidence levels, and known interactions. It does not verify label accuracy or test for contaminants — for that, look for third-party certifications like USP or NSF.

Not medical advice. Consult your healthcare professional.

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